package com.strategy.test;

/**
 * Created with IntelliJ IDEA.
 * Description:
 *
 * @author lzy
 * @date 2020-09-02 下午3:21
 */
public abstract class Payment {
    // 支付类型
    public abstract String getName();

    // 查询余额
    public abstract double queryBalance(String uid);

    // 扣款支付
    public PayState pay(String uid, double amount) {
        if (queryBalance(uid) < amount) {
            return new PayState(500, "支付失败", "余额不足");
        }

        return new PayState(200, "支付成功", "支付金额:" + amount);
    }
}
